The burger or even "burger sandwich" occurs as nature and severity of sandwich which consists of a hamburger bun or even similar nature & severity of circular bread, and the primary filling of the meat or vegetarian patty. A word "burger" is an abbreviation of the word "hamburger".

Burgers processed sustaining beef are known as hamburgers. More meats like chicken or fish can be used & the sandwich could contain the part of meat that is non formed into the patty. E.g., the turkey burger utilizes ground turkey meat, a chickenhearted burger utilizes either ground chicken meat or chicken fillets, a buffalo burger utilizes ground meat from either the bison, and the vegetable burger (alternately known as the bean curd burger. vegiburger or even garden burger) utilizes the meat substitute (e.g., tofu, TVP, seitan, or even an assortment of vegetables, nuts or soy protein, which are then ground higher & mashed into patties).

the select few option to hamburgers come marketed when existence heathier than their beef depending challenger, & a niche market is for exotic burgers like buffalo burgers.

There are commonly more accompaniments or even condiments piled onto the meat part. These may include any combination of cheese (a cheese burger is non the burger manufactured primarily from either cheese, but like the hamburger using the slice of cheese within it), vegetables (lettuce, tomato, onion, pepper, pickles) and sauces (mayonnaise, ketchup, mustard, barbecue sauce, etc.)

There are ii independent definitions of what differentiates the burger from either the sandwich: